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Sample n° 14199

Minerals found in the sample
Mineral Formula Category Subcategory Importance
CORUNDUM Al2O3 oxides and hydroxides - major
Description
Description: black amphibolite (8 cm) with crystals, coarse gravel, one crystal in gangue material, one hexagonal primsatic crystal, one red cut stone (0.29 g) and cabochon cut stone (2.02 g), var. ruby
Origin
  • Country: India
  • Region: Tamil Nadu
  • Locality:
Specification
  • Donors: Goossens
    Donation year: 1983
  • Sampling year:
    Registration date:
  • Quantity: X
    Size: 2,3
  • Dimension code 1>2>3: 2
    Quality code 1>2>3: 1
  • Holotype: no
    Paratype: no
    Radioactive: no
  • Thin section: no
    Chemical analysis: no
    X-Ray spectra: no